Ophthalmological instruments of Al-Halabi fill in a gap in the biomedical engineering history

Figure 4 Lancet with rounded tip (instrument number 20 in Figure 1) used in treatment of chalazion, chemosis, lipoma, blepharitis, concretions, hypopyon, headache, and cataract. Citation: Sezgin F, Neubauer E. Volume IV: Catalogue of the collection of instruments of the institute for the history of Arabic and Islamic sciences. In: Sezgin F. Science and technology in Islam. Frankfurt am Main, Germany: Institute for the History of Arabic-Islamic Science, 2010: 49. Copyright ©The Author(s) 2010. Published by Institute for the History of Arabic-Islamic Science (Institut für Geschichte der Arabisch-Islamischen Wissenschaften). The author has obtained the permission for figure using from the Institute for the History of Arabic-Islamic Science (Institut für Geschichte der Arabisch-Islamischen Wissenschaften) (Supplementary Material).